class_docstr: Reshaping Observation wrapper for gym.Env.
  
  This wrapper convert the observations into the given shape.
  
  Args:
      env (gym.Env): The environment to be wrapped.
      shape (list[int]): Target shape to be applied on the observations.
code: def _observation(self, obs):
      return obs.reshape(self._shape)
  
file_path: garage/tests/fixtures/envs/wrappers/reshape_observation.py
imports: import gym
  import numpy
label_desc: Use image node_id 4 for calling the ReshapeObservation obj's underlying member method code with example usage: obj._observation(obs) and returns: obs